.4(5w+20)=.9w+20.4

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Solution for .4(5w+20)=.9w+20.4 equation:


Simplifying
0.4(5w + 20) = 0.9w + 20.4

Reorder the terms:
0.4(20 + 5w) = 0.9w + 20.4
(20 * 0.4 + 5w * 0.4) = 0.9w + 20.4
(8 + 2w) = 0.9w + 20.4

Reorder the terms:
8 + 2w = 20.4 + 0.9w

Solving
8 + 2w = 20.4 + 0.9w

Solving for variable 'w'.

Move all terms containing w to the left, all other terms to the right.

Add '-0.9w' to each side of the equation.
8 + 2w + -0.9w = 20.4 + 0.9w + -0.9w

Combine like terms: 2w + -0.9w = 1.1w
8 + 1.1w = 20.4 + 0.9w + -0.9w

Combine like terms: 0.9w + -0.9w = 0.0
8 + 1.1w = 20.4 + 0.0
8 + 1.1w = 20.4

Add '-8' to each side of the equation.
8 + -8 + 1.1w = 20.4 + -8

Combine like terms: 8 + -8 = 0
0 + 1.1w = 20.4 + -8
1.1w = 20.4 + -8

Combine like terms: 20.4 + -8 = 12.4
1.1w = 12.4

Divide each side by '1.1'.
w = 11.27272727

Simplifying
w = 11.27272727

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